Gas Chromatography

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Topics	Replies	Views	Last post
Gas Chromatography High Baseline by jace123 » Fri Jan 11, 2019 1:06 am	2	4158	Last post by AICMM Fri Feb 01, 2019 9:40 pm
MCT, PG, VG, and PEG on GC 6890 or Heracles E-Nose by Nicoled » Wed Jan 30, 2019 6:35 pm	0	3475	Last post by Nicoled Wed Jan 30, 2019 6:35 pm
GC/LC caps by Kostaki » Wed Jan 02, 2019 2:45 am	7	4655	Last post by MSCHemist Tue Jan 29, 2019 1:59 pm
ascorbic acid by Mohamad » Sun Jan 13, 2019 12:51 am	6	4151	Last post by MSCHemist Tue Jan 29, 2019 1:52 pm
Internal Standard for BT (residual solvent test) by mfossella » Fri Jan 25, 2019 7:33 pm	1	3023	Last post by rb6banjo Sat Jan 26, 2019 3:00 pm
Multiple Error Codes by BrieGalb » Thu Jan 17, 2019 3:42 pm	4	5408	Last post by BrieGalb Fri Jan 25, 2019 5:53 pm
7820A vs 7890B by Arne » Tue Jan 22, 2019 7:58 am	1	4376	Last post by fespley Fri Jan 25, 2019 3:26 am
Tubing vendor recommendations & questions. by lespaul » Mon Jan 21, 2019 3:56 am	10	3943	Last post by James_Ball Thu Jan 24, 2019 8:22 pm
VOC determination - charcoal problems by nlzoh_gc » Thu Jan 24, 2019 9:20 am	2	3045	Last post by James_Ball Thu Jan 24, 2019 8:16 pm
Varian 3900 inlet pressure issues by dkelly » Tue Jan 22, 2019 3:42 pm	4	2905	Last post by James_Ball Tue Jan 22, 2019 8:51 pm
Tekmar HT3 Carry over issues by taylor_chemist » Mon Jan 14, 2019 7:55 pm	4	3196	Last post by taylor_chemist Fri Jan 18, 2019 11:06 pm
Did anyone have experience with Helium Saver Injector? by kselnaag » Thu Jan 17, 2019 11:50 am	1	2896	Last post by James_Ball Fri Jan 18, 2019 3:11 pm
method validation by GC by Dr. Raman Nanduri » Fri Jan 18, 2019 10:08 am	1	3221	Last post by HPLC chemist Fri Jan 18, 2019 11:39 am
Recalibration every run by sphillips » Tue Jan 15, 2019 6:33 pm	8	3866	Last post by sphillips Wed Jan 16, 2019 3:58 pm
Help with Agilent 7890B Network Settings by BismuthBlues » Tue Dec 18, 2018 1:57 pm	2	3845	Last post by varossf Wed Jan 16, 2019 12:51 pm
TPH concentration with GC-FID by Yoonjoo » Fri Jan 04, 2019 4:26 am	2	4088	Last post by varossf Wed Jan 16, 2019 12:18 pm
Air question HP5890/FID - zero air vs pure O2? by lespaul » Sun Jan 13, 2019 11:57 pm	5	4196	Last post by James_Ball Tue Jan 15, 2019 3:21 pm
DIY Gas Chromatography by phpinterview1991 » Wed Nov 28, 2018 5:59 am	2	4185	Last post by antonk Tue Jan 15, 2019 2:56 pm
EP General Chapter 2.4.25 Ethylene Oxide and Dioxan by bbonilla » Fri Jan 11, 2019 9:08 pm	0	4747	Last post by bbonilla Fri Jan 11, 2019 9:08 pm
6890 inlet cooling fan by LALman » Tue Jun 26, 2018 4:21 am	7	4224	Last post by Jackryaan Fri Jan 11, 2019 7:35 pm
inlet pressure by kelint » Thu Jan 10, 2019 9:24 am	5	3571	Last post by Bigbear Fri Jan 11, 2019 1:00 pm
Degradation of DDT by Malrev » Mon Jan 07, 2019 5:14 pm	4	3870	Last post by Malrev Wed Jan 09, 2019 10:07 pm
GC/MS Analysis of formic acid from hydrothermal reaction by MariK » Fri Dec 14, 2018 11:49 am	3	3536	Last post by MariK Wed Jan 09, 2019 7:39 am
Inegration in Chemstation by Nikko » Fri Jan 04, 2019 9:16 pm	1	2936	Last post by dblux_ Sat Jan 05, 2019 10:57 am
EPA 524.2 Chlorofluorocarbons by mduplease32 » Fri Dec 14, 2018 5:41 pm	5	3545	Last post by mduplease32 Fri Jan 04, 2019 7:39 pm
6890 Shutdown 1 Oven Shut Off by osp001 » Thu Dec 27, 2018 4:45 am	3	5197	Last post by James_Ball Fri Jan 04, 2019 3:46 pm
Equilibration time by karbonat » Fri Jan 04, 2019 1:58 pm	0	4024	Last post by karbonat Fri Jan 04, 2019 1:58 pm
Gas Chromatograph Carbonyles by Nyckos » Sat Nov 17, 2018 7:44 pm	6	4387	Last post by rb6banjo Thu Jan 03, 2019 2:20 pm
Nded to know about Injector port to install by fareedtayyeb » Thu Jan 03, 2019 12:32 pm	0	3393	Last post by fareedtayyeb Thu Jan 03, 2019 12:32 pm
Question about the column 6Ft Molecular Sieve 5A 60/80 mesh by jamaica1953 » Wed Jan 02, 2019 12:52 pm	2	3078	Last post by jamaica1953 Thu Jan 03, 2019 6:19 am
Optimal H2 Column Flow by Omega Glory » Tue Dec 18, 2018 3:02 pm	4	3571	Last post by lmb Fri Dec 28, 2018 10:14 pm
Difference in peak area by phil1150 » Sat Dec 22, 2018 12:03 am	0	3561	Last post by phil1150 Sat Dec 22, 2018 12:03 am
Nitrous oxide Analysis by GC by runchromatogrph » Thu Dec 20, 2018 12:48 pm	1	3910	Last post by rb6banjo Thu Dec 20, 2018 1:58 pm
GC-FID problem/question (barometric pressure) by SuperP » Wed Jul 02, 2014 3:38 am	4	4924	Last post by Peter Apps Thu Dec 20, 2018 1:25 pm
Nitrous oxide Analysis by GC by runchromatogrph » Thu Dec 20, 2018 12:47 pm	0	3437	Last post by runchromatogrph Thu Dec 20, 2018 12:47 pm
Analysis of Dual Gas Permeate with GC by Samuel_Brister » Thu Dec 13, 2018 6:55 pm	6	3671	Last post by Samuel_Brister Tue Dec 18, 2018 2:24 pm
Shimadzu Class GC-10 software for GC-17A by pheobetan » Thu Sep 10, 2009 4:21 pm	1	4471	Last post by Mr. Fri Dec 14, 2018 6:39 pm
Slow and reproducible oscillations in baseline by Olefin » Fri Dec 14, 2018 4:09 pm	0	3382	Last post by Olefin Fri Dec 14, 2018 4:09 pm
EPA 552.2 surrogate issue by Bigbear » Fri Dec 14, 2018 3:43 pm	0	3513	Last post by Bigbear Fri Dec 14, 2018 3:43 pm
Issues with CombiPAL autosamplers by PHDfellow » Thu Jul 05, 2018 10:50 am	3	3945	Last post by automator Mon Dec 10, 2018 9:33 pm
Make up gas for NPD (FTD) detector by thohry » Wed Dec 05, 2018 7:18 am	1	3323	Last post by pumpedupchemist Mon Dec 10, 2018 8:00 am
DMA or NMP as diluent for HS-GC by pserodio » Wed Dec 05, 2018 12:46 am	1	4197	Last post by AaronAIT Wed Dec 05, 2018 2:19 pm
Disturbing pattern on baseline during sample injection by nyfiken » Thu Nov 22, 2018 12:28 pm	7	4147	Last post by Rndirk Mon Dec 03, 2018 1:04 pm
Can't get HP G1513A autosampler to run by osp001 » Fri Nov 30, 2018 4:17 pm	2	3153	Last post by osp001 Sun Dec 02, 2018 7:16 am
Agilent 6890n TCD cable needed. by Levytech » Fri Nov 30, 2018 6:11 pm	0	3327	Last post by Levytech Fri Nov 30, 2018 6:11 pm
DRO integration question by LALman » Tue Jul 10, 2018 3:56 pm	7	4579	Last post by cjm Fri Nov 30, 2018 4:47 pm
Loss of surrogate (bromofluorobenzene) in Sequence- GCMS by jenileer » Wed Nov 28, 2018 2:29 pm	4	3804	Last post by James_Ball Thu Nov 29, 2018 4:07 pm
gas expansion in sample loop by bharathiraja » Thu Nov 29, 2018 3:05 pm	0	3424	Last post by bharathiraja Thu Nov 29, 2018 3:05 pm
MSD-Problems by vanessa.grote » Thu Oct 18, 2018 1:27 pm	4	4072	Last post by James_Ball Wed Nov 28, 2018 7:30 pm
Quantitative analysis of Tph by hts123 » Tue Oct 30, 2018 6:17 am	2	3715	Last post by cjm Wed Nov 28, 2018 4:01 pm

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